* 
  margin: 0
  padding 0
  outline: 1px solid red

::root{
       --weui-BG-0 #ededed
}

body 
    font-family system-ui, -apple-system, sans-serif

body ,html
      
      height: 100%
      -webkit-tap-highlight-color: transparent
page, body
       background-color var(--weui-BG-0)